Fifty calories. Passion pineapple pomelo is a low-calorie fruit with little calories. Anyone who wants to lose weight can eat it. The calorie of passion pineapple pomelo is 50 calories. The term "heat" refers to "energy" in nutrition or medicine, especially refers to the energy that can be used by the human body, such as the energy released when protein, fat, carbohydrate, alcohol and other substances are metabolized into carbon dioxide, water and other products in the body.